19243269

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{4337}}^1$

素因数の和:4389

約数の個数: 24

約数和(自身を含む): 30452760

約数和(自身を除く): 11209491

約数列:

[1, 3, 9, 17, 29, 51, 87, 153, 261, 493, 1479, 4337, 4437, 13011, 39033, 73729, 125773, 221187, 377319, 663561, 1131957, 2138141, 6414423, 19243269]

約数ペア:

[(1, 19243269), (3, 6414423), (9, 2138141), (17, 1131957), (29, 663561), (51, 377319), (87, 221187), (153, 125773), (261, 73729), (493, 39033), (1479, 13011), (4337, 4437)]